Originally Posted by
squirtdad
I read some place (and darned if I can remember where) that there are heat dissipation issues with disc breaks on road bikes and long, fast down hills and this is limiting adoption for road bikes.
I think it was BikeRumor. Guy had a CX bike and he tested it down a significant steep road. Cooked the brakes and he ended up in the ditch with busted ribs.
Found it -
http://www.bikerumor.com/2012/02/14/...ill-they-work/
Lightweight discs not really suited to the job?
But he felt no brake fade with the new SRAM set up...
http://www.bikerumor.com/2013/04/15/...s-first-rides/